Last updated: May 2026
Important Investment Disclaimer
QuantStack provides quantitative screening tools for EDUCATIONAL AND RESEARCH purposes only. Nothing on this platform constitutes investment advice, financial advice, or a recommendation to buy or sell any security. All screening results, backtests, and model outputs are hypothetical and do not guarantee future performance. Past performance is not indicative of future results. You are solely responsible for your investment decisions.
By accessing or using QuantStack ("the Service", "the Platform"), operated by QuantStack ("we", "us", "our"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, do not use the Service.
These Terms constitute the entire agreement between you and QuantStack regarding your use of the Service and supersede all prior agreements or understandings on that subject.
QuantStack is a quantitative stock screening and research platform that allows users to apply factor models, run backtests on historical data, and screen US and Thai equity markets.
QuantStack is NOT a broker, investment advisor, or financial institution. We do not execute trades, hold client funds, or manage investment portfolios. The platform is a research and data tool only.
Use of market data and screening results is subject to the terms of our data providers. Results should not be used as the sole basis for any investment decision.
All content, data, model outputs, screening results, and backtests provided by QuantStack are for educational and research purposes only. Nothing on this platform constitutes:
Backtest results are hypothetical. They are calculated by applying a model retrospectively to historical data and do not reflect actual trading. Hypothetical results have inherent limitations and do not account for slippage, market impact, liquidity constraints, or behavioral biases that affect real-world trading.
Past performance is not indicative of future results. Any financial instrument can lose value. You should consult a licensed financial advisor before making investment decisions. You are solely responsible for your own investment decisions and any financial outcomes.
You must be at least 18 years of age to use the Service. By using QuantStack, you represent that you meet this age requirement.
The Service is not available in jurisdictions where access to quantitative research tools or financial data platforms is prohibited by law. You are responsible for determining whether your use of the Service complies with applicable local laws.
Accounts are created and managed through Clerk, our identity provider. You are responsible for maintaining the confidentiality of your account credentials and for all activity that occurs under your account.
QuantStack offers a free tier and paid subscription tiers. Paid subscriptions are billed in advance on a monthly or annual basis through Stripe. All prices are displayed at checkout and are subject to change with 30 days' notice to existing subscribers.
You may cancel your subscription at any time from your account settings. Cancellation takes effect at the end of the current billing period. We do not offer refunds for partial billing periods unless required by applicable law.
| Tier | Scans / Month | Features |
|---|---|---|
| Free | 10 | Basic screening, limited models |
| Pro | 150 | Full model library, backtesting, exports |
We reserve the right to apply a fair use policy to prevent automated or excessive use that degrades service quality for other users. Accounts found to be abusing usage limits may be suspended or throttled.
Market data displayed on QuantStack is sourced from Tiingo (US equities), SETSMART (Thai equities), and Yahoo Finance (supplementary coverage). Data may be delayed by 15–30 minutes or more depending on the provider and subscription level.
Fundamental data (earnings, balance sheet, ratios) may lag actual corporate filings by one to two quarters. Corporate action adjustments (splits, dividends) are applied where technically possible but may not be perfectly current.
Always verify data independently before making any trading or investment decision. QuantStack makes no warranty regarding the accuracy, completeness, or timeliness of market data.
QuantStack and its licensors own all rights, title, and interest in the platform, including all software, algorithms, model implementations, user interface designs, documentation, and branding.
You retain ownership of any custom screening universes, factor configurations, and saved watchlists you create using the platform. By saving configurations, you grant QuantStack a limited license to store and process that data to provide the Service to you.
You agree not to:
To the maximum extent permitted by applicable law, QuantStack and its officers, employees, agents, and licensors shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including loss of profits, loss of data, loss of investments, or business interruption, arising out of or in connection with your use of the Service.
Our total aggregate liability to you for any claims arising from or related to the Service shall not exceed the greater of (a) the amount you paid to QuantStack in the 12 months preceding the claim, or (b) USD $50.
These Terms shall be governed by and construed in accordance with the laws of Thailand, without regard to its conflict of law principles. Any disputes arising from these Terms or your use of the Service shall be subject to the exclusive jurisdiction of the courts located in Thailand, unless otherwise required by applicable consumer protection laws in your jurisdiction.
For legal inquiries, contact us at legal@quantstack.com.
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